Q1: Both Change Curve and Transition Model can help to support an individual for passing through a major change in different circumstances.
Q2. One typical example would be replacement of a new ERP platform of old legacy system. Under Change Curve, users would encounter shock, denial, anger/blame, bargaining & self blame at the early stages as they are all comfortable of using existing legacy system for processing. After they get support, training and communication of the new system, they will start to reach acceptance and problem solving stages. Under Transition Model, at Ending stage user will receive the information of system change and therefore they will have emotional feelings and responses in netural zone stage. They will finally recognize the reality in the stage of New Beginnings under that model.